The blast sent water splashing onto the floor and sending water splattering onto the bathroom floor in a small Oklahoma town.
Officials say the girl was found dead and two others were hospitalized.
Police say the blast happened at the Comelon Baths in the town of Baker in Oklahoma.
The Oklahoma City Police Department says they responded to a report of a girl being taken into custody for an outstanding warrant at about 3:30 p.m.
According to ABC News, the girl who died was identified as 17-year-old Jessica Lynn.
She was the daughter of Comelons owner, Jessica Jones.
The other two victims were 16-year, 18-year old and 22-year olds.
The Oklahoma City Fire Department and the Oklahoma City County Sheriff’s Department are investigating the incident.